Don't try to play with the comments in passive detection, just ignore them

lib/common/collections/wp_items/detectable.rb

@@ -83,7 +83,7 @@ class WpItems < Array
       results = new(wp_target)
       # improves speed
       body    = remove_base64_images_from_html(Browser.get(wp_target.url).body)
-      page    = Nokogiri::HTML(remove_conditional_comments(body))
+      page    = Nokogiri::HTML(body)
       names   = []
 
       page.css('link,script,style').each do |tag|

lib/common/common_helper.rb

@@ -73,10 +73,6 @@ def add_trailing_slash(url)
   url =~ /\/$/ ? url : "#{url}/"
 end
 
-def remove_conditional_comments(text)
-  text.gsub(/\<\!--\[if[^>]+>(.*?)\<\!\[end[^>]+>/im, '\1')
-end
-
 # loading the updater
 require_files_from_directory(UPDATER_LIB_DIR)
 @updater = UpdaterFactory.get_updater(ROOT_DIR)